How do I get rid of the "page deleted" notification?

When I go to ALL pages, I get a notification, in 1 class, that the "null" page was deleted. 1. How can I stop seeing this notification? 2. What was the "null" page? I know how to get rid of de...

Is there a way to add a checklist to a page?

I have found the code for this, but when I hit "Save" the code disappears.  That tells me that Canvas can't support that.  I think it is also because most of the time a check box is used, i...

Is there a way to make an equation with an arc in Canvas?

I'm writing a geometry course, and of course, they use equations with circle arcs.  I can't find a way to write this equation.  Any suggestions?  I've been limited right now by making ...